Neoperla transvaalensis, (Enderlein) (Enderlein, 1909)

Zwick, Peter & Zwick, Andreas, 2023, Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data, Zootaxa 5316 (1), pp. 1-194 : 21

4 Folds on vagina form a pack behind base of SSt which is moderately long. Egg ridges without large ornaments ( Fig. 7 )............................................................................... 1 N. transvaalensis (Enderlein)

Figures

FIGURES 6–10. Neoperla transvaalensis (Enderlein) (6, 7) and N. laticollis Klapálek (8–10): 6, female situs, specimen from Rwanda; 7, egg, semi-diagrammatic, not to scale; 8, female situs; 9, egg, lateral view; 10, enlarged detail of a costa. The scales are 100µm; a, anchor; c, collar; fo, stack of membranous folds; gp, gonopore; hk, hard knob, retractor apodeme; ls, lateral vaginal sclerite; mc, mediobasal callus of HT10, the hemitergite 10. mi, micropyle; op, operculum; sa, spermatheca; sd, spermathecal duct; S9, protruding tip of S9; sa, coiled spermatheca; V, vagina.